CN112301175A

CN112301175A - Steelmaking slag waste heat system of recycling

Info

Publication number: CN112301175A
Application number: CN202011084507.1A
Authority: CN
Inventors: 陈美�; 张婷婷
Original assignee: Nanjing Maohui Environmental Protection Technology Development Co ltd
Current assignee: Nanjing Maohui Environmental Protection Technology Development Co ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-02-02

Abstract

The invention relates to a steelmaking steel slag waste heat recycling system, which comprises a workbench, a sealing device and a processing device, wherein the upper end of the workbench is fixedly provided with the sealing device, the left side of the sealing device is provided with the processing device, and the processing device comprises a fixed circular tube, a cylindrical box, an impeller, a chain wheel, a toothed chain belt, a first gear, a first mincing roller, a second gear, a third gear and a second mincing roller.

Description

Steelmaking slag waste heat system of recycling

Technical Field

The invention relates to the technical field of steelmaking, in particular to a steelmaking steel slag waste heat recycling system.

Background

Steel slag is a by-product in the steel-making process, it is made up of various oxides formed by oxidizing impurities in pig iron, such as silicon, manganese, phosphorus, sulfur, etc. in the smelting process and salts produced by the reaction of these oxides with solvent, and the steel slag contains several useful components: 2 to 8 percent of metallic iron, 40 to 60 percent of calcium oxide, 3 to 10 percent of magnesium oxide and 1 to 8 percent of manganese oxide, so the steel slag can be used as a ferrous metallurgy raw material, and simultaneously, the steel slag releases a large amount of heat in the cooling process and can be recycled.

In the process of cooling the steel slag, the following problems exist in the practical operation process due to the structural limitation of the steel slag:

(1) the conventional steel slag waste heat energy recycling equipment generally heats other substances by using the heat of the steel slag, so that the complexity of the equipment is increased, and meanwhile, heat loss is easily caused in the connection process, so that the utilization efficiency of the steel slag waste heat energy is reduced.

(2) The traditional steel slag waste heat energy recycling equipment is generally used in the process of cooling steel slag, the service life of parts is very easy to be reduced due to heating, and meanwhile, the steel slag still needs to be treated again, so that the treatment cost is increased.

Disclosure of Invention

In order to make up the defects of the prior art, the invention provides a steelmaking steel slag waste heat recycling system.

The technical scheme adopted by the invention to solve the technical problem is as follows: a steelmaking slag waste heat recycling system comprises a workbench, a sealing device and a processing device, wherein the sealing device is fixedly installed at the upper end of the workbench, and the processing device is installed on the left side of the sealing device;

the sealing device comprises a motor I, a pinion, a gearwheel, a bull ball, a sealing cylinder, a sealing cover, a circular tube, a water inlet pipe, an angle bending pipe and a spray head, wherein a large arc-shaped groove is formed in the upper end of the right side of the workbench; prevent to interfere the rotation of a sealed section of thick bamboo through big arc recess, drive pinion through a motor and rotate, thereby drive the gear wheel and rotate, thereby the rotation of control big ball, fix a position sealed lid through a sealed section of thick bamboo, cooperate with a sealed section of thick bamboo through sealed lid, seal steel slag cooling environment, fix the pipe loop through sealed lid, fix inlet tube and bent angle pipe through the pipe loop, carry water simultaneously to bent angle pipe and shower nozzle, through the inlet tube to the intraductal income water of pipe loop, fix the shower nozzle through bent angle pipe, spray water to the slag through the shower nozzle.

The sealing cylinder comprises a heat insulation plate, a heat resistance plate, a heat insulation ring and a sealing ring, the heat insulation plate is fixedly mounted at the upper end of the workbench, the heat resistance plate is fixedly mounted at the inner end of the heat insulation plate, the heat insulation ring is fixedly mounted at the upper end of the heat resistance plate and is made of a chrome-manganese alloy material, a cylindrical groove is formed in the upper end of the left side of the heat insulation ring, and the sealing ring is fixedly mounted at the upper end of the; heat in the heat-resistant plate is preserved through the heated board to prevent calorific loss, through heat-resistant plate and slag direct contact, prevent heat transfer to sealing washer and rubber ring through thermal-insulated ring, thereby lead to the life reduction of sealing washer and rubber ring.

The sealing cover comprises a cylindrical block, a short barrel box and a rubber ring, the cylindrical groove on the left side of the heat insulation ring is internally provided with the cylindrical block through a pin shaft, the upper end of the cylindrical block is fixedly provided with the short barrel box, the lower end of the short barrel box is fixedly provided with the rubber ring, and the middle part of the rubber ring is provided with an arc-shaped groove matched with the sealing ring; fix a position short barrel box through the cylinder piece, fix the rubber ring through short barrel box, set up through the middle part with sealing washer matched with arc recess's rubber ring and thermal-insulated ring match with sealing washer in close contact with to reach sealed purpose.

The processing device comprises a fixed round pipe, a round pipe box, an impeller, a chain wheel, a gear chain belt, a gear I, a rubbing roller I, a gear II, a gear III and a rubbing roller II, wherein the left end of a sealing cylinder is fixedly provided with the fixed round pipe, the left end of the fixed round pipe is fixedly provided with the round pipe box, the middle part of the round pipe box is uniformly and fixedly provided with the impeller through a rotating shaft, the front end of the impeller is fixedly provided with the chain wheel, the front end of the left side of the round pipe box is provided with the chain wheel through the rotating shaft, the chain wheel is externally engaged with the gear chain belt, the rear end of the chain wheel on the right side is fixedly provided with the gear I through the rotating shaft, the adjacent gear I is engaged with the gear I, the rear end of the gear I is fixedly provided with the rubbing roller I, the gear II is arranged, the left side and the right side of the gear III are symmetrically and uniformly provided with a gear III through a rotating shaft, a gear II is meshed with a gear three phase, adjacent gear three phases are meshed, and the front end of the gear III is fixedly provided with a grinding roller II; fix the drum box through fixed pipe, fix a position the impeller through the drum box, drive the sprocket through the impeller and rotate, cooperate with the chain wheel that drives the right side through the sprocket and rotate, thereby drive a gear and rotate, drive adjacent rubbing roller through the gear and carry out rotation in opposite directions, rub a pair of slag of roller through pivoted in opposite directions and rub, gear drive gear two through the middle part rotates, thereby drive gear three and rotate, drive adjacent rubbing roller two through gear three and carry out rotation in opposite directions, thereby rub the slag after rubbing once more.

As a preferred technical scheme of the invention, the right end of the fixed round pipe is fixedly provided with a high-temperature valve; the valve is prevented from being subjected to high temperature to cause the reduction of the service life of the valve through the high-temperature valve.

As a preferred technical scheme of the invention, arc-shaped grooves are uniformly formed in one end, close to the middle part, of each fan blade on the impeller, the impeller is made of a metal material with low density, balls are uniformly and fixedly mounted at the outer end of each fan blade on the impeller along the circumferential direction, and the balls are connected with the inner end of the cylindrical box in a sliding fit manner; the one end that is close to the middle part through the flabellum on the impeller has evenly seted up the arc recess and has increased the volume of flabellum and gas contact to increase its power that receives, the resistance that receives when the impeller through the less metal material of density reduces the impeller and rotates, fixes a position the impeller through the ball, prevents its deformation.

According to a preferred technical scheme, the first mincing roller comprises a cylindrical roller, mincing teeth, a small toothed plate and small balls, the cylindrical roller is fixedly installed at the rear end of one gear, the mincing teeth are uniformly and fixedly installed on the outer end face of the cylindrical roller along the circumferential direction, diamond coatings are coated on the outer ends of the mincing teeth, the small toothed plate is fixedly installed at the outer end of the mincing teeth uniformly through a pin shaft, the small balls are connected to the outer end of the small toothed plate uniformly in a sliding fit mode, and the surface of the small balls is rough; fix rubbing the tooth through the cylinder roller, fix little pinion rack through rubbing the tooth, fix little ball through little pinion rack, carry out the grinding to the slag through the little ball of rough surface.

As a preferred technical scheme of the invention, the structure of the second mincing roller is the same as that of the first mincing roller, and only the size parts of the second mincing roller are smaller than those of the first mincing roller; the steel slag ground by the first grinding roller needs to be ground again by the second grinding roller, so that the size parts of the second grinding roller are smaller than those of the first grinding roller.

Compared with the prior art, the invention has the following advantages:

1. the steel slag cooling environment is sealed through the sealing device, the influence on the working efficiency of the system is prevented, the steel slag is sprayed with water for cooling, the steel slag enters the sealing cylinder through the processing device and contacts with the high-temperature steel slag, the temperature of the steel slag is reduced, and simultaneously water is evaporated, so that the pressure change in the sealing cylinder and the sealing cover is caused, and power is provided for crushing the steel slag which is crushed by self-decomposition for multiple times.

2. According to the invention, through the arranged sealing device, heat in the heat-resistant plate is preserved through the heat-preservation plate to prevent heat loss, the heat-resistant plate is directly contacted with steel slag, and the heat is prevented from being transferred to the sealing ring and the rubber ring through the heat-insulation ring, so that the service life of the sealing ring and the rubber ring is reduced, and the purpose of sealing is achieved through the matching and tight contact of the rubber ring and the heat-insulation ring, wherein the middle part of the rubber ring is provided with the arc-shaped groove matched with the sealing ring.

3. According to the invention, through the arranged processing device, the arc-shaped grooves are uniformly formed in one end, close to the middle part, of the fan blade on the impeller, so that the contact amount of the fan blade and gas is increased, the force applied to the impeller is increased, the resistance applied to the impeller during rotation is reduced through the impeller made of metal materials with low density, and the impeller is positioned through the balls, so that the deformation of the impeller is prevented.

4. According to the invention, through the arranged processing device, the grinding teeth are fixed through the cylindrical roller, the small toothed plate is fixed through the grinding teeth, the small ball bearings are positioned through the small toothed plate, and the steel slag is ground through the small ball bearings with rough surfaces.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic plan view of the present invention in front elevation;

FIG. 2 is a schematic of the left side plan view of the present invention;

FIG. 3 is a rear plan view of the present invention;

FIG. 4 is an enlarged view of a portion of the present invention at N of FIG. 1;

FIG. 5 is an enlarged fragmentary view of the invention at M of FIG. 1;

FIG. 6 is a schematic plan view of the impeller of the present invention;

fig. 7 is a sectional view taken along line a-a of fig. 6 of the present invention.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further explained with reference to fig. 1 to 7.

A steelmaking slag waste heat recycling system comprises a workbench 1, a sealing device 2 and a processing device 3, wherein the sealing device 2 is fixedly installed at the upper end of the workbench 1, and the processing device 3 is installed on the left side of the sealing device 2;

the sealing device 2 comprises a motor I20, a pinion 21, a gearwheel 22, a large ball 23, a sealing barrel 24, a sealing cover 25, a circular tube 26, a water inlet pipe 27, a bent angle tube 28 and a spray head 29, wherein a large arc-shaped groove is formed in the upper end of the right side of the workbench 1, the motor I20 is fixedly installed at the rear end of the workbench 1 through a motor base, the pinion 21 is fixedly installed on an output shaft of the motor I20 through a coupler, the gearwheel 22 is rotatably installed at the rear end of the workbench 1 above the pinion 21 through a rotating shaft, the gearwheel 22 is meshed with the pinion 21, the large ball 23 is fixedly installed at the front end of the gearwheel 22 through the rotating shaft, the sealing barrel 24 is fixedly installed at the upper end of the large ball 23, an arc-shaped block is fixedly arranged; the sealing cylinder 24 comprises a heat insulation plate 241, a heat resistance plate 242, a heat insulation ring 243 and a sealing ring 244, the heat insulation plate 241 is fixedly installed at the upper end of the workbench 1, the heat resistance plate 242 is fixedly installed at the inner end of the heat insulation plate 241, the heat insulation ring 243 is fixedly installed at the upper end of the heat resistance plate 242, the heat insulation ring 243 is made of a chrome-manganese alloy material, a cylindrical groove is formed in the upper end of the left side of the heat insulation ring 243, and the sealing ring 244 is fixedly installed at; the left side of the sealing cylinder 24 is provided with a sealing cover 25 through a pin shaft, the right side of the sealing cover 25 is fixedly provided with an arc-shaped block, the middle part of the arc-shaped block is provided with a threaded hole, a bolt is connected in the threaded hole in a threaded connection mode, the lower side of the bolt is connected with the arc-shaped block on the right side of the sealing cylinder 24 in a threaded connection mode, and the lower end of the bolt is connected with a; the sealing cover 25 comprises a cylindrical block 251, a short barrel box 252 and a rubber ring 253, the cylindrical block 251 is arranged in a cylindrical groove on the left side of the heat insulation ring 243 through a pin shaft, the short barrel box 252 is fixedly arranged at the upper end of the cylindrical block 251, the rubber ring 253 is fixedly arranged at the lower end of the short barrel box 252, and an arc-shaped groove matched with the sealing ring 244 is formed in the middle of the rubber ring 253; an annular pipe 26 is fixedly arranged on the upper side of the sealing cylinder 24, a water inlet pipe 27 is fixedly arranged at the upper end of the annular pipe 26 on the left side, corner pipes 28 are uniformly and fixedly arranged at the inner end of the annular pipe 26 along the circumferential direction, and a spray head 29 is fixedly arranged at the tail ends of the corner pipes 28; interference to the rotation of the sealing cylinder 24 is prevented through the large arc-shaped groove, the pinion 21 is driven to rotate through the first motor 20, the large gear 22 is driven to rotate, the large ball 23 is controlled to rotate, the sealing cover 25 is positioned through the sealing cylinder 24, and the steel slag cooling environment is sealed through the matching of the sealing cover 25 and the sealing cylinder 24; heat in the heat-resistant plate 242 is preserved through the heat-preserving plate 241 to prevent heat loss, the heat-resistant plate 242 is in direct contact with steel slag, and the heat-insulating ring 243 prevents heat from being transferred to the sealing ring 244 and the rubber ring 253, so that the service lives of the sealing ring 244 and the rubber ring 253 are reduced; the ring tube 26 is fixed through the sealing cover 25; the short cylinder box 252 is positioned through the cylindrical block 251, the rubber ring 253 is fixed through the short cylinder box 252, and the rubber ring 253 with the middle part provided with an arc-shaped groove matched with the sealing ring 244 is matched with the heat insulation ring 243 to be tightly contacted with the sealing ring 244 so as to achieve the sealing purpose; the water inlet pipe 27 and the angle pipe 28 are fixed by the circular pipe 26, the angle pipe 28 and the nozzle 29 are supplied with water, the water is introduced into the circular pipe 26 through the water inlet pipe 27, the nozzle 29 is fixed by the angle pipe 28, and the water is sprayed to the steel slag through the nozzle 29.

The processing device 3 comprises a fixed circular tube 30, a cylindrical box 31, an impeller 32, a chain wheel 33, a toothed chain belt 34, a first gear 35, a first mincing roller 36, a second gear 37, a third gear 38 and a second mincing roller 39, the fixed circular tube 30 is fixedly installed at the left end of the sealing cylinder 24, and a high-temperature valve is fixedly arranged at the right end of the fixed circular tube 30; a cylinder box 31 is fixedly arranged at the left end of the fixed circular tube 30, and impellers 32 are uniformly and fixedly arranged in the middle of the cylinder box 31 through a rotating shaft; arc-shaped grooves are uniformly formed in one end, close to the middle, of each fan blade on the impeller 32, the impeller 32 is made of metal materials with low density, balls are uniformly and fixedly mounted at the outer ends of the fan blades on the impeller 32 along the circumferential direction, and the balls are connected with the inner end of the cylindrical box 31 in a sliding fit mode; a chain wheel 33 is fixedly installed at the front end of the impeller 32, the chain wheel 33 is installed at the front end of the left side of the cylindrical box 31 through a rotating shaft, a toothed chain belt 34 is meshed outside the chain wheel 33, a first gear 35 is fixedly installed at the rear end of the chain wheel 33 at the right side through the rotating shaft, first gears 35 are uniformly and fixedly installed at the front end of the right side of the cylindrical box 31 through the rotating shaft, adjacent first gears 35 are meshed, and a first mincing roller 36 is fixedly installed at the rear end of each first gear; the first mincing roller 36 comprises a cylindrical roller 361, mincing teeth 362, a small toothed plate 363 and small balls 364, the cylindrical roller 361 is fixedly installed at the rear end of the first gear 35, the mincing teeth 362 are uniformly and fixedly installed on the outer end face of the cylindrical roller 361 along the circumferential direction, diamond coatings are coated on the outer ends of the mincing teeth 362, the small toothed plate 363 is uniformly and fixedly installed at the outer end of the mincing teeth 362 through a pin shaft, the small balls 364 are uniformly connected to the outer end of the small toothed plate 363 in a sliding fit mode, and the surfaces of the small balls 364 are rough; a second gear 37 is mounted on the lower side of the first gear 35 in the middle through a rotating shaft, the first gear 35 in the middle is meshed with the second gear 37 on the lower side, a third gear 38 is mounted at the lower end of the second gear 37 through the rotating shaft, the third gear 38 is symmetrically and uniformly mounted on the left side and the right side of the third gear 38 through the rotating shaft, the second gear 37 is meshed with the third gear 38, the adjacent third gear 38 is meshed, and a second mincing roller 39 is fixedly mounted at the rear end of the third gear 38; the structure of the second mincing roller 39 is the same as that of the first mincing roller 36, and only the size parts of the second mincing roller 39 are smaller than that of the first mincing roller 36; the service life of the valve is prevented from being reduced due to high temperature by the high-temperature valve, the cylinder box 31 is fixed by the fixing circular tube 30, the impeller 32 is positioned by the cylinder box 31, and the sprocket 33 is driven to rotate by the impeller 32; arc-shaped grooves are uniformly formed in one end, close to the middle, of each fan blade on the impeller 32, so that the contact amount of the fan blades and gas is increased, the force borne by the fan blades is increased, the resistance borne by the impeller 32 during rotation is reduced through the impeller 32 made of metal materials with low density, and the impeller 32 is positioned through balls to prevent deformation; the chain wheel 33 on the right side is driven to rotate by the matching of the chain wheel 33 and the toothed chain belt 34, so that the first gear 35 is driven to rotate, the adjacent first mincing rollers 36 are driven to rotate oppositely by the first gear 35, and the steel slag is minced by the first mincing rollers 36 rotating oppositely; the grinding teeth 362 are fixed through the cylindrical roller 361, the pinion plate 363 is fixed through the grinding teeth 362, the small ball 364 is positioned through the pinion plate 363, and the steel slag is ground through the small ball 364 with the rough surface; the gear I35 in the middle drives the gear II 37 to rotate, so that the gear III 38 is driven to rotate, the gear III 38 drives the adjacent mincing rollers II 39 to rotate oppositely, so that the minced steel slag is minced again; because the second crushing roller 39 needs to grind the steel slag ground by the first crushing roller 36 again, the size parts of the second crushing roller 39 are smaller than the size parts of the first crushing roller 36.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a steelmaking slag waste heat system of recycling, includes workstation (1), sealing device (2) and processing apparatus (3), its characterized in that: the upper end of the workbench (1) is fixedly provided with a sealing device (2), and the left side of the sealing device (2) is provided with a processing device (3);

the sealing device (2) comprises a motor I (20), a pinion (21), a large gear (22), a large ball (23), a sealing cylinder (24), a sealing cover (25), a circular tube (26), a water inlet tube (27), a bent angle tube (28) and a spray head (29), a large arc-shaped groove is formed in the upper end of the right side of the workbench (1), the motor I (20) is fixedly installed at the rear end of the workbench (1) through a motor base, the pinion (21) is fixedly installed on an output shaft of the motor I (20) through a coupler, the large gear (22) is rotatably installed above the pinion (21) at the rear end of the workbench (1) through a rotating shaft, the large gear (22) is meshed with the pinion (21), the large ball (23) is fixedly installed at the front end of the large gear (22) through the rotating shaft, the sealing cylinder (24) is fixedly installed at the upper end of the large ball (23), the, an annular pipe (26) is fixedly installed on the upper side of the sealing cylinder (24), a water inlet pipe (27) is fixedly installed at the upper end of the annular pipe (26) on the left side, an angle bending pipe (28) is uniformly and fixedly installed at the inner end of the annular pipe (26) along the circumferential direction, and a spray head (29) is fixedly installed at the tail end of the angle bending pipe (28);

the sealing barrel (24) comprises a heat insulation plate (241), a heat resistance plate (242), a heat insulation ring (243) and a sealing ring (244), the heat insulation plate (241) is fixedly installed at the upper end of the workbench (1), the heat resistance plate (242) is fixedly installed at the inner end of the heat insulation plate (241), the heat insulation ring (243) is fixedly installed at the upper end of the heat resistance plate (242), the heat insulation ring (243) is made of a chromium-manganese alloy material, a cylindrical groove is formed in the upper end of the left side of the heat insulation ring (243), and the sealing ring (244) is fixedly installed at the upper end of.

The sealing cover (25) comprises a cylindrical block (251), a short barrel box (252) and a rubber ring (253), the cylindrical block (251) is installed in a cylindrical groove on the left side of the heat insulation ring (243) through a pin shaft, the short barrel box (252) is fixedly installed at the upper end of the cylindrical block (251), the rubber ring (253) is fixedly installed at the lower end of the short barrel box (252), and an arc-shaped groove matched with the sealing ring (244) is formed in the middle of the rubber ring (253);

the processing device (3) comprises a fixed round tube (30), a round tube box (31), an impeller (32), a chain wheel (33), a toothed chain belt (34), a first gear (35), a first rubbing roller (36), a second gear (37), a third gear (38) and a second rubbing roller (39), the left end of the sealing barrel (24) is fixedly provided with the fixed round tube (30), the left end of the fixed round tube (30) is fixedly provided with the round tube box (31), the middle part of the round tube box (31) is uniformly and fixedly provided with the impeller (32) through a rotating shaft, the front end of the impeller (32) is fixedly provided with the chain wheel (33), the front end of the left side of the round tube box (31) is provided with the chain wheel (33) through the rotating shaft, the toothed chain belt (34) is externally engaged with the chain wheel (33), the rear end of the chain wheel (33) on the right side is fixedly, adjacent gear (35) mesh mutually, gear (35) rear end fixed mounting has hank garrulous roller (36), gear two (37) are installed through the axis of rotation to gear (35) downside at middle part, gear (35) at middle part mesh with gear two (37) of downside mutually, gear three (38) are installed through the axis of rotation to gear two (37) lower extreme, gear three (38) are evenly installed through the axis of rotation to gear three (38) left and right sides symmetry, gear two (37) mesh mutually with gear three (38), adjacent gear three (38) mesh mutually, gear three (38) rear end fixed mounting has hank garrulous roller two (39).

2. The steelmaking slag waste heat recycling system as claimed in claim 1, wherein: the right end of the fixed round pipe (30) is fixedly provided with a high-temperature valve.

3. The steelmaking slag waste heat recycling system as claimed in claim 1, wherein: arc grooves are uniformly formed in one end, close to the middle, of each fan blade on the impeller (32), the impeller (32) is made of metal materials with small density, balls are uniformly and fixedly mounted at the outer end of each fan blade on the impeller (32) along the circumferential direction, and the balls are connected with the inner end of the cylinder box (31) in a sliding fit mode.

4. The steelmaking slag waste heat recycling system as claimed in claim 1, wherein: grinding roller (36) includes cylinder roller (361), rubs tooth (362), pinion rack (363) and little ball (364), gear (35) rear end fixed mounting has cylinder roller (361), the even fixed mounting in circumference of cylinder roller (361) outer terminal surface has rubs tooth (362), it has the diamond coating all to scribble to rub tooth (362) outer end, rub tooth (362) outer end and evenly have little pinion rack (363) through round pin axle fixed mounting, little pinion rack (363) outer end evenly is connected with little ball (364) with sliding fit's mode, little ball (364) roughness.

5. The steelmaking slag waste heat recycling system as claimed in claim 1, wherein: the structure of the second mincing roller (39) is the same as that of the first mincing roller (36), and only the size parts of the second mincing roller (39) are smaller than those of the first mincing roller (36).